Police also found out that the ambush was done exactly on the day of Long’s birthday.

Long and the police officers who responded to the ambush engaged in a gun battle eventually claiming the Long’s life. According to the police, Long possessed an AR-15 style semi-automatic rifle.

Though the police have not officially revealed the identity of the victims, a certain Officer Montrell Jackson was identified by his family members. The two killed officers were Matthew Gerald and Brad Garafola.

Officer Jackson had previously expressed his sentiments on the growing hostility against the police after the death of Alton Sterling, an African-American who was shot dead several times by two Baton Rouge officers.

"I swear to God I love this city, but I wonder if this city loves me. In uniform I get nasty, hateful looks and out of uniform some consider me a threat. ... These are trying times. Please don't let hate infect your heart,” wrote Jackson on Facebook.

East Baton Rouge Parish Sheriff Sid Gautreaux confirmed one victim to be in critical condition after the shooting. The others are in a relatively good condition.

The shooter, according to reports published several contents on his social media accounts regarding police brutality. In a Youtube video, he said that “Zero have been successful just over simple protesting,” adding that "You gotta fight back.”

Gavin Long. (Photo from youtube)

Meanwhile, Louisiana State police had previously heightened their security after five officers were killed in an ambush in Dallas on July 7. They also revealed that they had received threats against the Baton Rouge police.